Programmer Lin Shen witnessed his colleagues collectively pixelating and evaporating during a video conference, and coffee stains cracked into quantum codes under his eyes. A "cognitive plague" is breaking out in this Xinghai City woven with data - the convenience store AI broadcasts the countdown to death in Japanese, the faces of his parents in his childhood photo album are covered by the data stream, and deep in his irises, the highest authority instructions of the quantum computer "Tianshu" are engraved. When the flesh and blood body begins to display 404 errors, he must tear open the surface of the world and prove in the drone pursuit and memory tampering: The biggest lie in this battle between reality and fiction is that humans think they are alive.